Water-cooled chillers are famous for their
heat removal based on water and are also a type of
industrial cooling water system. The principle of the water-cooled chiller
is to use the shell-and-tube evaporator to make the water and the refrigerant
heat exchanger. The refrigerant system software digests and absorbs the heat
consumption in the water, and after the water is cooled to form cold water, the
heat is brought to the cooling unit according to the function of the
refrigeration unit. The shell-and-tube condenser is a heat exchanger between
refrigerant and water so that the water digests and absorbs the heat, and then
take the heat out of the FRP cooling
tower to evaporate (cooling water) according to the water pipe.
The parameters required for water-cooled
chillers in different industries are also very different. Generally, the
following parameters need to be paid attention to. Users can choose different
brands of unit models according to their own needs:
1. The temperature difference of the
standard chiller is 5 degrees, (20 degrees down to 15 degrees) if a -10HP/7.5KW
chiller has a standard chiller flow rate of 3.5 cubic meters per hour. So when
you try this chiller, you can't just look at the flow of the chiller, but also
the temperature you need. If the temperature you try is dropped from 58 degrees
to 7 degrees, and the temperature difference is large, then Reduced chilled
water flow per hour from 3.5 cubic meters to more than 1 cubic meter. If you
need a chiller with a flow rate of 3.5 cubic meters per hour, choose a larger
model.
2. When trying out the chiller, it depends
on whether you are cooling directly or indirectly. Direct cooling is to put the
water directly into the chiller, and the frozen water comes out directly to
cool the product you need. The effect of direct cooling is obviously better.
Indirect cooling is equivalent to putting water in a basin, placing a small
basin on top of the basin, and placing the product to be cooled in the small
basin. Relatively speaking, the effect of indirect cooling is less. Therefore,
you should take this into consideration when choosing a model.
3. Some users use the pool for cooling,
which has the following disadvantages:
1. The water quality is poor, and it is
easy to block the water channel of the machine, causing greater losses.
2. Wastewater resources and increased user
costs.
3. When the weather is too hot, the water
temperature cannot meet the requirements, which affects product quality and
efficiency.
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